package day20170928;

import java.util.Scanner;

/**
 * Created by 14394 on 2017/9/28.
 */
public class Test {
    public static void main(String[] args) {

        String i=new Scanner(System.in).next();
        if (i.length()>1){

        }
        char m=i.charAt(0);

        System.out.println(m);
    }
}
